QuiKResponse - Nitrogen Pesticides, priority pollutant (PriorityPollutnT TM) Item no. ERA-674QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Chloral Hydrate, potable water (PotableWatR TM) Item no. ERA-676QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Low-Level Nitroaromatics & Nitramines, priority pollutant (PrPollutnT TM) Item no. ERA-677QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Carbamate/Carbamoxyloxime Pesticides, potable water (PotableWatR TM) Item no. ERA-707QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - PCBs as Decachlorobiphenyl, potable water (PotableWatR TM) Item no. ERA-708QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Pesticides, potable water (PotableWatR TM) Item no. ERA-709QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Low-Level PAHs, priority pollutant (PriorityPollutnT TM) Item no. ERA-715QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Chlordane, priority pollutant (PriorityPollutnT TM) Item no. ERA-716QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Toxaphene, priority pollutant (PriorityPollutnT TM) Item no. ERA-717QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Chlorinated Acid Herbicides, priority pollutant (PriorityPollutnT TM) Item no. ERA-718QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Volatiles in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-721QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Low-Level PAHs in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-722QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - PCBs in Water, priority pollutant (PriorityPollutnT TM) (1) Item no. ERA-734SQR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Gasoline Range Organics (GRO) in Water Item no. ERA-762QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Gasoline Range Organics (GRO) in Soil Item no. ERA-763QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Diesel Range Organics (DRO) in Water Item no. ERA-764QR CAS Number [68476-34-6] Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Diesel Range Organics (DRO) in Soil Item no. ERA-765QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Bromide, waste water (WasteWatR TM) Item no. ERA-769QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Nitrite, waste water (WasteWatR TM) Item no. ERA-770QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Wisconsin Diesel Range Organics (DRO) in Water Item no. ERA-772QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Wisconsin Gasoline Range Org (GRO/PVOC) Water Item no. ERA-773QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Silica, waste water (WasteWatR TM) Item no. ERA-775QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Surfactants-MBAS, waste water (WasteWatR TM) Item no. ERA-776QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Turbidity, waste water (WasteWatR TM) Item no. ERA-777QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - pH, potable water (PotableWatR TM) Item no. ERA-779QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Surfactants-MBAS, potable water (PotableWatR TM) Item no. ERA-784QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Silica, potable water (PotableWatR TM) Item no. ERA-785QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Texas Low-Level Fuels (TPH) in Water Item no. ERA-794QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Texas High-Level Fuels (TPH) in Water Item no. ERA-795QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Texas Low-Level Fuels (TPH) in Soil Item no. ERA-796QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Texas High-Level Fuels (TPH) in Soil Item no. ERA-797QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Arizona TPH in Soil Item no. ERA-798QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Low-Level Mercury, waste water Item no. ERA-896 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 372 (January 20, 2026 - March 6, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
Proficiency Testing - Hexavalent Chromium, waste water Item no. ERA-898 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 371 (December 8, 2025 - January 22, 2026)WP 372 (January 20, 2026 - March 6, 2026)WP 373 (February 16, 2026 - April 2, 2026)WP 374 (March 16, 2026 - April 30, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 376 (May 18, 2026 - July 2, 2026)WP 377 (June 15, 2026 - July 30, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 379 (August 17, 2026 - October 1, 2026)WP 380 (September 14, 2026 - October 29, 2026)WP 381 (October 16, 2026 - November 30, 2026)WP 382 (November 6, 2026 - December 21, 2026)WP 383 (December 14, 2026 - January 28, 2027) Add to cart All product details
Proficiency Testing - Perchlorate, potable water Item no. ERA-903 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 354 (January 12, 2026 - February 26, 2026)WS 357 (April 13, 2026 - May 28, 2026)WS 360 (July 13, 2026 - August 27, 2026)WS 363 (October 9, 2026 - November 23, 2026)WS 366 (January 11, 2027 - February 25, 2027)WS 369 (April 12, 2027 - May 27, 2027)WS 372 (July 12, 2027 - August 26, 2027)WS 375 (October 8, 2027 - November 22, 2027) Add to cart All product details
Proficiency Testing - UV 254 Absorbance, potable water Item no. ERA-904 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 354 (January 12, 2026 - February 26, 2026)WS 357 (April 13, 2026 - May 28, 2026)WS 360 (July 13, 2026 - August 27, 2026)WS 363 (October 9, 2026 - November 23, 2026)WS 366 (January 11, 2027 - February 25, 2027)WS 369 (April 12, 2027 - May 27, 2027)WS 372 (July 12, 2027 - August 26, 2027)WS 375 (October 8, 2027 - November 22, 2027) Add to cart All product details
Proficiency Testing - Gasoline Additives, potable water Item no. ERA-905 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 354 (January 12, 2026 - February 26, 2026)WS 357 (April 13, 2026 - May 28, 2026)WS 360 (July 13, 2026 - August 27, 2026)WS 363 (October 9, 2026 - November 23, 2026)WS 366 (January 11, 2027 - February 25, 2027)WS 369 (April 12, 2027 - May 27, 2027)WS 372 (July 12, 2027 - August 26, 2027)WS 375 (October 8, 2027 - November 22, 2027) Add to cart All product details
QuiKResponse - Carbamate Pesticides, priority pollutant (PriorityPollutnT TM) Item no. ERA-908QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Gasoline Additives, potable water (PotableWatR TM) Item no. ERA-909QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Perchlorate, potable water (PotableWatR TM) Item no. ERA-910QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Settleable Solids, waste water (WasteWatR TM) Item no. ERA-911QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Volatile Solids, waste water (WasteWatR TM) Item no. ERA-913QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Corrosivity/pH in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-914QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Acidity, waste water (WasteWatR TM) Item no. ERA-915QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Low-Level Total Residual Chlorine Item no. ERA-917QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Boron, waste water (WasteWatR TM) Item no. ERA-919QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Nitroaromatics & Nitramines Soil, priority pollutant (PrPollutnT TM) Item no. ERA-920QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Hexavalent Chromium in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-921QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Low-Level Nitroaromatics & Nitramines, priority pollutant Item no. ERA-932 Unit 2 mL Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 372 (January 20, 2026 - March 6, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
Proficiency Testing - Organophosphorus Pesticides (OPP), priority pollutant Item no. ERA-934 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 372 (January 20, 2026 - March 6, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details